Artifact Section of Exhibition Astrolabes and Quadrants Naked Eye Tycho Armillary Sphere Naked Eye Penzias and Wilson Pigeon Trap Digital Age Herchel's 20-Foot Telescope Looking Further (Telescopes) High Resolution Imager (HRI) Digital Age Hubble Space Telescope Backup Mirror Digital Age Hubble Space Telescope Wide-Field/Planetary Camera & CCD Digital Age Observing Cage from Mt. Wilson 100-Inch Telescope Looking Further (Photography) Lick Observatory Brashear Spectrograph Looking Further (Spectroscopy) Prime Focus Spectrograph Looking Further (Spectroscopy)